EssentialPIM
Agenda
EssentialPIM Pro is an affordable replacement for Outlook.
EssentialPIM Pro is a personal information manager that makes it easy to control your appointments, to do lists, notes, email messages, password entries and contacts.
In addition to built-in email support, EssentialPIM Pro offers portability, speed, intuitive interface, and the ability to synchronize all your information with Outlook and practically any online service available (Google, Yahoo, Toodledo, SyncML, CalDAV, etc.).